Home > Electronic & Electrical > Electrical & Hardware > Circuit Breakers > ZW8-12 outdoor high-voltage vacuum circuit breaker

SASUN INTERNATIONAL ELECTRIC CO., LTD.

[Province: Zhejiang ]

Share |

ZW8-12 outdoor high-voltage vacuum circuit breaker

Payment Terms:	T/T,L/C

Trade on HiSupplier, Worry Free Guarantee

•Trading safety, secure your money, lower the risk, protect both buyers and suppliers

•HiSupplier is a Chinese multinational company in U.S, it helps to coordination and order landing.

More ›

Basic Info.

Supply Capacity

vacuum circuit breaker

serial No.	name	unit	6.3ka	12.5ka	20ka
1	rated voltage	kv	12	12	12
2	max work voltage	kv	12	12	12
3	rated current	a	630	630	630
4	rated short load breaking current	ka	6.3	12.5	20
5	rated short closing current(peak value)	ka	16	31.5	50
6	rated peak withstand current	ka	16	31.5	50
7	1min rated shor-time withstand current	ka	6.3	12.5	20
8	rated insulation level
9	rated operation sequence		0.3s-closing-180s-closng	same	same
10	life of machine	times	10000	same	same
11	rated current open loop frequency	time	30	30	30
12	operating machansm of switching voltage rating	V	110220	same	same
13	contact distance	mm	11±1	same	same
14	over travel	mm	3	3	3
15	three-phase,closing indifferenct period	ms	≤2	≤2	≤2
16	contact bounce time	ms	≤2	≤2	≤2
17	average opening speed	m/s	1.0±0.2	1.0±0.2	1.0±0.2
18	average closing speed	m/s	0.7±0.15	0.7±0.15	0.7±0.15
19	each phase main loop resistance	uΩ	≤120(≤200)	≤120(≤200)	≤120(≤200)
20	static and cly namic contact wear allowan ce thickness	mm	3	3	3
21
22
23
24